Best Toilet Fill Valves Updated September 2025
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Best Toilet Fill Valves
2025 Buyer's GuideUpdated September 2025
Advertiser disclosure About our rankings
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Best Toilet Fill Valve
Best Value

10.0

1

10.0

Korky QuietFILL Toilet Fill Valve - Universal Fits 99% of Toilets - Easy Height Adjust for Fast Install, 528
Ease of installation
Works well
Quietness
Quality
Value for money
Ease of adjustment
Save 36%
3K+ bought in past month
Save 36%
3K+ bought in past month
3K+ bought in past month
Best Toilet Fill Valve
Best Value

10.0

1
Korky QuietFILL Toilet Fill Valve - Universal Fits 99% of Toilets - Easy Height Adjust for Fast Install, 528
Ease of installation
Works well
Quietness
Quality
Value for money
Ease of adjustment
3K+ bought in past month
Save 36%

9.8

2

9.8

Fluidmaster K-400H-021-P8 PerforMAX 2-Inch Everything Toilet Repair Kit, Multicolor
Ease of installation
Quality
Functionality
Instructions
Tool included
Kit contents

9.8

2
Fluidmaster K-400H-021-P8 PerforMAX 2-Inch Everything Toilet Repair Kit, Multicolor
Ease of installation
Quality
Functionality
Instructions
Tool included
Kit contents

9.6

3

9.6

Fluidmaster 400A-019 Brass Shank Toilet Fill Valve
Functionality
Ease of installation
Quality
Noise level
Brass threading
Save 29%
Save 29%

9.6

3
Fluidmaster 400A-019 Brass Shank Toilet Fill Valve
Functionality
Ease of installation
Quality
Noise level
Brass threading
Save 29%

9.4

4

9.4

Korky QuietFILL 2X Long Life Toilet Fill Valve - Universal Fits 99% of Toilets - Easy Height Adjust for Fast Install, 528X
Ease of installation
Works well
Quality
Water level adjustment
Value for money
Fit

9.4

4
Korky QuietFILL 2X Long Life Toilet Fill Valve - Universal Fits 99% of Toilets - Easy Height Adjust for Fast Install, 528X
Ease of installation
Works well
Quality
Water level adjustment
Value for money
Fit

9.2

5

9.2

Fluidmaster 400AKR Universal All in One Toilet Repair Kit for 2-Inch Flush Valves, Easy Install
Works well
Ease of installation
Quality
Value for money
Instruction quality
Toilet repair kit
Save 45%
Save 45%

9.2

5
Fluidmaster 400AKR Universal All in One Toilet Repair Kit for 2-Inch Flush Valves, Easy Install
Works well
Ease of installation
Quality
Value for money
Instruction quality
Toilet repair kit
Save 45%
Popular

9.1

6

9.1

Fluidmaster 400H-002 Performax Universal Toilet Fill Valve High Performance Tank and Bowl Water Control, 1-Pack, Multicolor
Ease of installation
Works well
Quality
Adjustment capability
Value for money
Clarity of instructions
Save 6%
Save 6%
Popular

9.1

6
Fluidmaster 400H-002 Performax Universal Toilet Fill Valve High Performance Tank and Bowl Water Control, 1-Pack, Multicolor
Ease of installation
Works well
Quality
Adjustment capability
Value for money
Clarity of instructions
Save 6%

9.0

7

9.0

R&T A1350 Quiet Toilet Fill Valve Toilet Universal Tank Parts Replacement, Water Saving Toilet Repair Kit
Ease of installation
Works well
Quality
Noise level
Value for money

9.0

7
R&T A1350 Quiet Toilet Fill Valve Toilet Universal Tank Parts Replacement, Water Saving Toilet Repair Kit
Ease of installation
Works well
Quality
Noise level
Value for money

8.9

8

8.9

Fluidmaster PerforMAX Universal Toilet Fill and Flush Valve Repair Kit
Ease of installation
Functionality
Quality
Value for money
Instructions
Save 16%
Save 16%

8.9

8
Fluidmaster PerforMAX Universal Toilet Fill and Flush Valve Repair Kit
Ease of installation
Functionality
Quality
Value for money
Instructions
Save 16%

8.7

9

8.7

Fluidmaster 703AP4 Specialty Toilet Fill Valve for Glacier Bay and Niagara Conservation Flapperless Toilets
Works well
Ease of installation
Fit
Ease of replacement
Value for money
Ease of repair

8.7

9
Fluidmaster 703AP4 Specialty Toilet Fill Valve for Glacier Bay and Niagara Conservation Flapperless Toilets
Works well
Ease of installation
Fit
Ease of replacement
Value for money
Ease of repair
Premium Pick

8.6

10

8.6

TOTO TSU99A.XR Fill Valve, Blue
Ease of installation
Functionality
Quality
Fit
Value for money
Instructions
Premium Pick

8.6

10
TOTO TSU99A.XR Fill Valve, Blue
Ease of installation
Functionality
Quality
Fit
Value for money
Instructions

Our Top Choice

Best Toilet Fill Valve
Best Value

10.0

1

10.0

Korky QuietFILL Toilet Fill Valve - Universal Fits 99% of Toilets - Easy Height Adjust for Fast Install, 528
Ease of installation
Works well
Quietness
Quality
Value for money
Ease of adjustment
Save 36%
3K+ bought in past month
Save 36%
3K+ bought in past month
3K+ bought in past month
Best Toilet Fill Valve
Best Value

10.0

1
Korky QuietFILL Toilet Fill Valve - Universal Fits 99% of Toilets - Easy Height Adjust for Fast Install, 528
Ease of installation
Works well
Quietness
Quality
Value for money
Ease of adjustment
3K+ bought in past month
Save 36%
Related Categories
Toilet Flush ValveToilet FlapperToilet (All)
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Related Categories
Toilet Flush ValveToilet FlapperToilet (All)
Related Categories
Toilet Flush ValveToilet FlapperToilet (All)